Celebrity name-changes

Check out these stars' real names.

By By Chron.com staff

Photo: Craig Barritt/Getty Images

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He's been the star of the longest-running variety show in history, but the man known the whole world over as "Don Francisco" has a secret. His name isn't Francisco, it's Mario Luis Kreutzberger Blumenfeld. After 53 years, we thought you should know.

Keep clicking to find out the real names of some of your favorite celebs.

He's been the star of the longest-running variety show in history, but the man known the whole world over as "Don Francisco" has a secret. His name isn't Francisco, it's Mario Luis Kreutzberger Blumenfeld. ... more

Photo: Rodrigo Varela, WireImage

He's been the star of the longest-running variety show in... Photo-7835022.20008 - Houston Chronicle

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Like many in Hollywood, the late Joan Rivers went by a stage name. Her real moniker, Joan Alexandra Rosenberg, isn't as much of a stretch as some of these other stars you're about to see.

Like many in Hollywood, the late Joan Rivers went by a stage name. Her real moniker, Joan Alexandra Rosenberg, isn't as much of a stretch as some of these other stars you're about to see.

Photo: Charles Sykes, FRE

Like many in Hollywood, the late Joan Rivers went by a stage name.... Photo-6787163.20008 - Houston Chronicle